A connector, which is coupled to a first communication component, including: a connector body; a fitting portion, which is formed on one end of the connector body, configured to fix the connector body by being adhered to a wall of the first communication component; and a ground stabilization member coupled to the connector body and the first communication component, wherein the ground stabilization member includes: a fixing portion configured to fix the ground stabilization member to an inner wall of the connector body; an insertion portion inserted in an insertion hole of the first communication component, wherein a plurality of slots imparting elasticity are formed; and a ground contact portion configured to perform a grounding function by contacting an inner wall of the insertion hole due to the elasticity.